TWI573578B - A manufacturing apparatus for an absorbent article, and a method for producing - Google Patents

Description

Manufacturing device of absorbent article and method of manufacturing absorbent article

The present invention relates to an apparatus for producing an absorbent article and a method for producing an absorbent article, comprising: a rotating drum provided with an adsorption unit, wherein the adsorption unit is a member for adsorbing a component constituting one of the absorbent articles. Pieces.

In the method for producing an absorbent article, for example, the tape which is a packaged disposable diaper outer casing is conveyed in a continuous state, and the elastic member constituting the thigh hem is arranged in an elongated state. In the tape, a processed material which is an absorbent body having an absorber capable of absorbing a body fluid is bonded to the tape (for example, refer to Patent Document 1).

Moreover, in consideration of the convenience of manufacture, the tape constituting the exterior body is conveyed in a state in which the width direction of the absorbent article is continuous. On the other hand, the workpiece is manufactured in a state in which the longitudinal direction of the absorbent article is continuous, and is placed on the tape after being cut into individual product lengths. At this time, in order to match the direction of the workpiece and the strip, the workpiece is rotated by 90 degrees, and then the workpiece is placed on the strip (for example, refer to Patent Document 2).

The rotating mechanism of the workpiece described in Patent Document 2 includes a rotating drum and a plurality of adsorption portions provided on the outer circumference of the rotating drum. In the adsorption unit, the workpiece is rotated and conveyed to the upper side of the strip while the workpiece is being sucked one by one, and the workpiece is placed at a predetermined position of the strip. In order to suppress the difference in the peripheral speed at the time of receiving the workpiece, the adsorption surface of the adsorption portion that rotates on the outer circumference of the rotary drum is preferably kept at a distance from the rotation axis of the rotary drum as much as possible. Therefore, the adsorption surface is formed such that at least the outer edge portion of the adsorption surface is inclined toward the rotation axis side of the rotary drum, compared to the central portion of the adsorption surface.

However, when the outer edge portion of the adsorption surface of the adsorption portion is inclined toward the rotation axis side of the rotary drum, a gap is formed between the outer edge portion of the workpiece and the tape when the workpiece is delivered to the tape. Therefore, the manufacturing apparatus of the patent document 2 is provided so that the both ends of the strip direction may be closer to the workpiece than the center of the intersection direction of the strip in the position where the workpiece is delivered to the strip. Guided strip position guiding mechanism.

[Previous Technical Literature] [Patent Literature]

[Patent Document 1] Japanese Patent Laid-Open Publication No. 2010-30804

[Patent Document 2] Japanese Patent Laid-Open Publication No. 2010-115427

However, in the above conventional manufacturing method, there are the following problems.

In the manufacturing method described in Patent Document 1, a continuous strip in which an elastic member is disposed is conveyed, and the workpiece is placed on the strip. In the continuous body, the elastic members whose displacement is in the intersecting direction intersecting the conveying direction are arranged in a wave shape. Therefore, in the continuous body, there are a portion which is contracted by the elastic member and a portion which is affected by the elastic member without contracting, so that the whole does not shrink uniformly. Therefore, the position in the intersecting direction of the continuous body is locally shifted, and the mounting position of the workpiece is also caused to be offset.

In particular, when the manufacturing apparatus described in Patent Document 2 is positioned closer to the outer edge portion of the workpiece than the central portion of the workpiece, the overall position of the workpiece is affected by the position of the outer edge portion of the workpiece. The situation of the move. Further, when one of the outer edge portions of the workpiece is displaced, wrinkles or creases are generated on the strip at the central portion of the workpiece.

Then, the present invention has been made in view of such circumstances, and an object of the present invention is to provide a method of suppressing wrinkles or creases when a workpiece such as an absorbent body is attached to a tape which is continuously conveyed. An apparatus for producing an absorbent article and a method for producing an absorbent article which are capable of reliably transferring the workpiece at the same time.

In order to solve the above problems, the apparatus for producing an absorbent article according to the present invention includes a workpiece positioning mechanism and a tape position guiding mechanism for processing a component constituting one part of the absorbent article. And arrange it in: a sheet that is continuously transported a strip having a continuous strip and being disposed in an elastic member extending in a conveying direction of the strip and intersecting the conveying direction; the strip position guiding mechanism is for guiding the strip The apparatus for manufacturing an absorbent article according to the present invention is characterized in that the workpiece positioning mechanism includes a rotary drum provided with an adsorption portion for adsorbing the workpiece, and the adsorption portion is the workpiece The receiving point adsorbs the workpiece, and converts the arrangement direction of the workpiece from the first arrangement direction of the workpiece located at the receiving point to the delivery of the strip during the rotation of the rotating drum. a second arrangement direction of the workpiece located at a delivery point of the workpiece, wherein the workpiece sucked by the adsorption unit is disposed on the strip, and the adsorption unit is located along the delivery point In the cross section of the second arrangement direction, the outer shape of the workpiece that is adsorbed by the adsorption unit is such that the outer edge portion of the workpiece is larger than The center portion of the workpiece is closer to the rotation axis side of the rotary drum, and the strip position guide mechanism is closer to the upstream side in the conveyance direction than the delivery point, so that the outer edge portion of the workpiece is The strip is separated (separated), and the strip is disposed in contact with the strip at a central portion of the workpiece, and the outer edge of the workpiece is formed at the delivery point The strip is placed in contact to configure the strip.

Moreover, the method for producing an absorbent article according to the present invention includes a workpiece arranging process in which a component constituting a part of the absorbent article is used as a workpiece, and an adsorption section for adsorbing the workpiece is provided. Rotating the drum to arrange the workpiece in: thinly carried continuously The strip-shaped continuous strip and the strip of the elastic member extending in the direction in which the strip is conveyed and the direction intersecting the transport direction are arranged, and the method for producing the absorbent article thus constituted is characterized The processing part configuration process includes a workpiece rotating process and a workpiece delivery process, and in the rotating process of the workpiece, the rotating drum adsorbs the workpiece at a receiving point of the workpiece receiving the workpiece, and the above The arrangement direction of the workpiece is converted from a first arrangement direction of the workpiece located at the receiving point to a second arrangement direction of the workpiece at a delivery point of the workpiece to be delivered on the strip; In the delivery process, the workpiece processed by the adsorption unit is delivered to the strip at the delivery point; and the workpiece rotation process is performed along a section along the second arrangement direction of the delivery point. The outer edge portion of the workpiece sucked by the adsorption portion is closer to the rotary drum than the central portion of the workpiece Transmitting the workpiece on the side of the rotating shaft, and having a first guiding process for arranging the strip at the delivery point so that an outer edge portion of the workpiece contacts the strip, and delivering the strip The point is located at an abutment point on the upstream side in the conveyance direction, and the outer edge portion of the workpiece is separated (separated) from the strip, and the center portion of the workpiece is brought into contact with the strip to arrange the strip. The second guiding process of the material.

When a workpiece such as an absorbent body is attached to a tape which is continuously conveyed, the present invention can provide the same as suppressing generation of wrinkles or creases. The apparatus for manufacturing an absorbent article and the method for producing the absorbent article in which the workpiece is reliably transferred.

CD‧‧‧ cross direction

MD‧‧‧Transportation direction

L‧‧‧ direction

W‧‧‧Width direction

S1‧‧‧ front area

S2‧‧‧ rear enclosure area

S3‧‧‧ Under the hip area

1‧‧‧Absorbables

1A‧‧‧Absorbable ontology

1B‧‧‧Outer body

3‧‧‧ Waist hem

3A‧‧‧Waist elastic material

5‧‧‧ Gears

5F‧‧‧Front leg elastic material

5R‧‧‧ rear leg elastic material

10‧‧‧Surface

11‧‧‧ joints

15‧‧‧Second sheet

32‧‧‧Leak-proof side sheets

33‧‧‧Leakproof elastic material

40‧‧‧ absorber

41‧‧‧1st absorption layer

42‧‧‧2nd absorption layer

45‧‧‧Central slitting

46‧‧‧ Side slit

70F‧‧‧ front side outer surface sheet

70R‧‧‧ rear side outer surface sheet

75F‧‧‧ front continuum

75R‧‧‧Back side continuum

80F‧‧‧Front side exterior sheet

80R‧‧‧ rear side exterior back sheet

85‧‧‧Intermediate outer sheet

90‧‧‧Outer continuum

100‧‧‧ manufacturing equipment

104‧‧‧Completing mechanism

104A‧‧‧Upper roller

104B‧‧‧lower roller

105‧‧‧ Cutting mechanism (cutting mechanism)

120‧‧‧Processing parts configuration mechanism

121‧‧‧Rotating drum

121A‧‧‧Rotary axis

122‧‧‧Adsorption pad

123‧‧‧Adsorption surface

123A‧‧‧Central Department

123B‧‧‧End

130‧‧‧Strip position guiding mechanism

131‧‧‧1st Guide

132‧‧‧2nd Guide

133‧‧‧Center wheel

134‧‧‧Outer roller

134S‧‧‧ outer perimeter

140‧‧‧Strip position adjustment mechanism

141‧‧‧ sensor

142‧‧‧Adjustment agency

P1‧‧‧Acceptance Point

P2‧‧‧ delivery point

P3‧‧‧ Abutment point

Fig. 1 is a developed plan view of an absorbent article according to an embodiment of the present invention.

Fig. 2 is a view for explaining a manufacturing process of the absorbent article according to the embodiment of the present invention.

Fig. 3 is a front elevational view showing the apparatus for manufacturing an absorbent article according to the embodiment of the present invention.

Fig. 4 is a perspective view showing the apparatus for manufacturing an absorbent article according to the embodiment of the present invention.

Fig. 5 is a perspective view showing the apparatus for manufacturing an absorbent article according to the embodiment of the present invention.

Fig. 6 is a front elevational view of the rotary drum as viewed in the direction of the arrow A shown in Fig. 4.

Fig. 7 is a side view of the workpiece at the receiving point as viewed in the direction of the arrow B shown in Fig. 4.

Fig. 8 is a side view of the workpiece at the abutment point as viewed in the direction of the arrow C shown in Fig. 5.

Fig. 9 is a view schematically showing the positional relationship of the tape of the receiving point P2 and the abutting point P3.

[Embodiment of the Invention]

Hereinafter, the apparatus for producing an absorbent article and the method for producing an absorbent article according to the present invention will be described with reference to the drawings. Specifically, (1) the structure of the absorbent article, (2) the method of producing the absorbent article, (3) the configuration of the apparatus for manufacturing the absorbent article, and (4) the operation of the apparatus for manufacturing the absorbent article, ( 5) The effect and (6) other embodiments will be described.

In the description of the drawings below, the same or similar symbols are designated in the same or similar parts. However, it should be noted that the drawing is only a mode representation, and the ratio of each size is different from the actual object. Therefore, the specific dimensions and the like should be judged by considering the following description. Further, the drawings also include portions having mutually different dimensional relationships or ratio relationships.

(1) Composition of absorbent articles

First, the configuration of the absorbent article 1 of the present embodiment will be described with reference to the drawings. Fig. 1 is a developed plan view showing a state in which the absorbent article 1 of the present embodiment is unfolded. In the present embodiment, the absorbent article 1 is a disposable diaper for use in a pants type.

In the present embodiment, the disposable diaper for the pants type is a diaper which is formed into a pants type in advance. Further, although the present embodiment is configured to produce a disposable diaper for a pants type, it may be constructed by a disposable diaper. Disposable diapers after the open type means that the state before use is unfolded. In the state, the predetermined portions of the product are fixed to each other by an adhesive tape or the like, thereby being attached to the diaper of the user.

The absorbent article 1 includes a front-rear direction L extending toward the front side of the wearer and the rear side of the body, and a width direction W orthogonal to the front-rear direction L.

In the front-rear direction L of the absorbent article 1, the absorbent article 1 includes a front outer peripheral region S1 corresponding to the front of the wearer and a rear rear peripheral region S2 corresponding to the rear of the wearer, and corresponding Under the buttocks of the wearer, and located in the sub-hip area S3 between the front circumference area S1 and the posterior circumference area S2.

The front rim edge portion 4 located at the outer side in the width direction of one of the absorbent articles 1 in the front sill region S1 is the sill edge portion 6 located at the outer side in the width direction of one of the rear sill regions S2. The front rim edge portion 4' which is joined and positioned at the outer side in the width direction of the other side is joined to the sill edge portion 6' located at the outer position in the width direction of the other side, whereby the absorbent article 1 is made Form a shorts type. In the front sill area S1 and the rear squat area S2 of the disposable diaper after the pants type, the joint portion 11 that joins the edge portions of each other is formed, and the gluteal region S3 is closer to the front and rear than the joint portion 11. The area inside the direction.

In the state in which the absorbent article 1 is formed into a pants type, a waist opening portion that is disposed around the waist of the wearer and a pair of leg-opening portions that are disposed around the leg circumference of the wearer are formed. The leg-opening portion is a portion that is recessed toward the inner side in the width direction from the outer end portion in the width direction of the outer-side end portion and the rear-rear region of the front-rear region in the inferior sulcus region S3. Minute. The circumference of the leg opening is equivalent to the leg circumference.

The absorbent article 1 is composed of an absorbent body 1A including a surface sheet 10, an absorbent body 1A, and the like, and a front outer surface sheet 70F, a rear outer surface sheet 70R, a front outer surface sheet 80F, and the like. The exterior body 1B such as the side exterior back sheet 80R is formed, and these are joined to each other by an adhesive or heat welding.

The exterior body 1B is an exterior part constituting the absorbent article 1. The exterior body 1B is disposed closer to the non-skin contact surface than the absorbent body 1A. The front outer surface sheet 70F and the front outer surface back sheet 80F are disposed across the front outer region S1 and the lower hip region S3. The rear outer surface sheet 70R and the rear outer surface back sheet 80R are disposed across the rear sill region S2 and the gluteal region S3. The front outer surface sheet 70F and the front outer surface sheet 80F are disposed apart from the rear outer surface sheet 70R and the rear outer surface sheet 80R in the front-rear direction, and are disposed by the intermediate outer sheet. 85 and connected.

The absorbent body 1A includes a surface sheet 10, a second sheet 15, an absorber back sheet, and a leakage preventing portion, and is disposed closer to the wearer side than the exterior body 1B.

The surface sheet 10 is a sheet for forming a skin contact surface that can directly contact the wearer's skin. The surface sheet 10 is disposed closer to the skin contact surface than the absorbent body 1A. The surface sheet 10 is formed of a liquid-permeable sheet such as a hydrophilic nonwoven fabric or a woven fabric, an apertured plastic film, or an open-cell hydrophobic nonwoven fabric.

On the non-skin abutting side of the surface sheet 10, a second sheet is joined 15. The second sheet 15 is disposed between the surface sheet 10 and the absorbent body 1A.

The absorbent body 1A is disposed between the composite sheet joined by the surface sheet 10 and the second sheet 15 and the absorber back sheet (not shown). The absorptive main body 1A is disposed at least in the center in the width direction of the inferior gluteal region S3. The absorbent body 1A is formed of a mixed powder of pulverized pulp or a superabsorbent polymer. The absorbent main body 1A is composed of a first absorbent layer 41 positioned on the non-skin contact surface side of the wearer and a second absorbent layer that overlaps the first absorbent layer 41 and is positioned on the skin contact surface side of the wearer. 42 constitutes.

The first absorbent layer 41 is formed with a central slit 45 and a side slit 46 extending in the front-rear direction. The side slit 46 is formed on the outer side in the width direction from the center slit 45. The absorbent article 1 is configured to deform the absorbent body 1A when worn by the central slit or the side slit formed in the absorbent body 1A.

The leakage preventing portion has a leakage preventing side sheet 32 and a leakage preventing elastic member 33, and is disposed in the front-rear direction of the end portion in the width direction of the absorbent main body 1A. The leakage preventing side sheets 32 are formed on both side ends of the absorbent body 1A in the width direction W, and are provided so as to cover the surface sheet 10 and the back sheet of the absorbent body integrally. The leakage preventing side sheet 32 is formed of a sheet such as a liquid-impermeable non-woven fabric. One end of the leakage preventing side sheet 32 in the width direction is a surface joined to the non-skin surface side of the sheet of the back surface of the absorbent body, and the other end portion of the leakage preventing side sheet 32 in the width direction is absorbent. The side edge of the body 1A in the width direction is folded to the side of the surface sheet, and then joined to the table The skin of the face sheet 10 abuts the surface on the side of the face.

The leakage preventing side sheet 32 is joined to a surface sheet or the like by a hot melt adhesive. The leakage preventing elastic member 33 is bonded between the absorber back sheet and the leakage preventing side sheet 32 in an extended state. The leakage preventing elastic member 33 shrinks both end portions in the width direction of the absorbent body in the front-rear direction.

A waist hem 3 is provided in the front sill area S1 and the rear sill area S2. The waist hem 3 has an elongated waist elastic material 3A such as synthetic rubber that is stretched in the width direction W. The waist pleats 3 are continuous from the front rim edge portion 4 to the other front rim edge portion 4' of one of the outer positions in the width direction W of the absorbent article 1 located in the front sill region S1, and The rear crotch edge portion 6 to the other rear crotch edge portion 6' of the absorbent article 1 in the posterior contemporaneous region S2 in the width direction W is continuous.

A thigh hem 5 is provided around the leg opening. At least a part of the thigh hem 5 is disposed along the leg opening. The thigh hem 5 is formed by a front leg elastic material 5F disposed in the front sill area S1, and a rear leg elastic material 5R disposed across the rear sill area S2 and the gluteal area S3.

The front leg elastic material 5F and the waist elastic material 3A are disposed between the front outer surface sheet 70F and the front outer surface back sheet 80F; the rear leg elastic material 5R and the waist elastic material 3A are disposed on the rear side outer casing. Between the surface sheet 70R and the rear exterior back sheet 80R.

(2) Method of manufacturing an absorbent article

Next, an example of a method for producing an absorbent article according to the present embodiment will be described based on Fig. 2 . Fig. 2 is a view for explaining a method of manufacturing an absorbent article, which shows a part of the absorbent article in the manufacturing process. In the second drawing, the conveying direction of the constituent members in the manufacturing process is indicated as the conveying direction MD, and the direction intersecting the conveying direction is indicated as the intersecting direction CD. In the method for producing an absorbent article, the absorbent article 1 is produced in a state in which it is continuous in the width direction.

Further, as for the method not described in the embodiment, an existing method can be used. Further, the production method described below is merely an example, and it may be manufactured by another manufacturing method.

The manufacturing method of the absorbent article includes at least an absorbent body forming process S1, an exterior body forming process S2, a leg forming process S3, a component joining process S4, a folding process S5, a bonding process S6, and a cutting process. S7.

In the absorptive body forming process S1, it is used to form the absorptive body 1A. Specifically, for example, it is performed by laminating an absorbent material to form the absorbent body 1A, or by disposing the absorbent body 1A on a continuous strip for forming the surface sheet 10, or forming a leak-proof portion. .

In the exterior body forming process S2, the exterior body 1B is formed. In the present embodiment, the front side continuous body 75F which is continuous by the outer sheet disposed on the ventral side of the wearer, and the rear side continuous by the outer sheet disposed on the back side of the wearer are formed. The body 75R is connected to the rear side continuous body 75R via the intermediate exterior sheet to produce the exterior body 1B.

Specifically, the waist elastic material 3A and the front leg elastic material 5F are disposed between the tape constituting the front outer surface sheet 70F and the tape constituting the front outer surface back sheet 80F to form the front side continuous body 75F, and The waist elastic material 3A and the rear leg elastic material 5R are disposed between the tape constituting the rear exterior surface sheet 70R and the tape constituting the rear exterior exterior back sheet 80R to form a rear side continuous body 75R.

Then, the unnecessary portion of the front leg elastic material 5F and the rear leg elastic material 5R (the portion that is offset from the front side continuous body 75F and the rear side continuous body 75R to the outer side) is cut, and then the intermediate outer sheet 85 is used. The front side continuous body 75F and the rear side continuous body 75R are joined. Thereby, each of the product exterior bodies 1B is continuous in the width direction of the exterior continuum 90.

The leg circumference forming process S3 cuts the exterior body 1B along the leg opening portion. Thereby, a leg-opening portion that is disposed around the leg of the wearer is formed.

The component joining process S4 is a workpiece arranging process, and is a component which constitutes a part of the absorbent article, that is, an absorbent body 1A as a workpiece, by a rotating drum provided with an adsorption section for adsorbing the workpiece. And disposed on a continuous strip of sheet material that is continuously conveyed, and is also disposed on a strip (continuous body) of an elastic member that is elongated in a conveying direction of the strip and intersecting with the conveying direction, and then The outer casing 1B is joined to the absorbent body 1A.

The processing part configuration process is provided with a processing part rotation process and a workpiece delivery process, wherein the workpiece rotation process is to adsorb the workpiece at the receiving point of the workpiece of the rotating drum receiving the workpiece, and then the configuration of the workpiece is performed. The direction is converted from the first configuration direction of the workpiece at the receiving point to a second arrangement direction of the workpieces at the delivery point of the workpieces delivered on the strip; the workpiece delivery process is performed at the delivery point, and the workpieces adsorbed by the adsorption unit are delivered to the strip .

Specifically, the absorbent main body 1A is placed on the continuous body on which the legged opening portion is formed, and the absorbent main body 1A is joined to the outer casing 1B by an adhesive.

Further, in the method for producing an absorbent article according to the present embodiment, the first guiding process for arranging the tape and the delivery point at the delivery point so that the outer edge portion of the workpiece is brought into contact with the tape The second guiding process of the tape is disposed so that the outer edge portion of the workpiece is separated from the strip and the center portion of the workpiece is brought into contact with the strip so as to be closer to the contact point on the upstream side in the transport direction.

In the folding process S5, a continuous body of the absorbent article in which the absorbent main body 1A and the exterior body 1B are joined is included in the center in the intersecting direction, and is folded at a folding line along the conveyance direction.

In the joining process S6, the end portions in the width direction of the folded absorbent article are joined. Specifically, the front bead edge portion 4 and the rear crotch edge portion 6 are joined, and the front crotch edge portion 4' and the rear crotch edge portion 6' are joined.

In the cutting process S7, the continuous body of the absorbent article is cut into the size of one product along the front-rear direction (cross direction) of the absorbent article. Thereby, the absorbent article 1 is manufactured.

(3) Composition of manufacturing apparatus for absorbent articles

Next, it is used in the above-described constituent member joining process S4. The overall configuration of the apparatus for manufacturing an absorbent article will be described with reference to the drawings. Fig. 3 is a front elevational view showing the overall configuration of an apparatus for manufacturing an absorbent article according to the present embodiment. Fig. 4 and Fig. 5 are perspective views showing the manufacturing apparatus of the absorbent article in the embodiment. Fig. 6 is a front elevational view of the rotary drum as viewed in the direction of the arrow A shown in Fig. 4. Fig. 7 is a side view of the workpiece viewed from the direction of the arrow B shown in Fig. 4. Fig. 8 is a side view of the workpiece viewed from the direction of the arrow C shown in Fig. 5. Fig. 9 is a view schematically showing the positional relationship of the tape of the receiving point P2 and the abutting point P3.

The manufacturing apparatus 100 for an absorbent article is configured to rotate the workpiece constituting the absorbent main body 1A by 90 degrees, and then arrange the workpiece in a continuous body as a tape constituting the exterior body 1B. The absorbent article manufacturing apparatus 100 includes a workpiece positioning mechanism 120, a strip position guiding mechanism 130, and a strip position adjusting mechanism 140.

Moreover, in the apparatus 100 for manufacturing an absorbent article, the continuous body 90 is supplied from the right side shown in FIG. 4, and the absorbent main body 1A is supplied from the upper side shown in FIG. The continuous body 90 is joined to the front side continuous body 75F, the rear side continuous body 75R, and the intermediate exterior sheet 85, and is disposed on the continuous body 90 by the cutting mechanism 105 disposed on the upstream side of the absorbent article manufacturing apparatus 100. The leg opening portion is formed.

The workpiece placement mechanism 120 includes a rotary drum 121 and a plurality of adsorption portions (hereinafter referred to as adsorption pads 122) provided on the outer circumference of the rotary drum 121. The workpiece positioning mechanism 120 receives the workpiece on the adsorption pad 122 at the receiving point P1, and follows the circumference of the rotating drum as the rotating drum rotates. The workpiece is conveyed while moving, and the adsorption pad 122 is rotated around the rotation axis 122A in the radial direction of the rotary drum to change the direction of the workpiece. Then, the machined member whose direction has been converted is placed on the tape to join the workpiece to the tape.

The strip position guiding mechanism 130 includes a first guiding portion 131 provided on the opposite side of the rotating drum, and a second guiding portion 132. The strip position guiding mechanism 130 is for guiding the position of the strip at the delivery point P2 where the workpiece is delivered onto the strip and the strip P3 closer to the upstream side in the transport direction than the delivery point P2. The first guiding process is executed by the first guiding unit 131, and the second guiding process is executed by the second guiding unit 131.

The strip position adjusting mechanism 140 is for detecting the position of the end portion of the continuous body 90 in the intersecting direction, and adjusts the position of the strip in the intersecting direction based on the position information.

Next, the details of each part of the manufacturing apparatus 100 constituting the absorbent article will be described. Specifically, the description will be given for (3.1) the workpiece positioning mechanism, (3.2) the strip position guiding mechanism, and (3.3) the strip position adjusting mechanism.

(3.1) Processing part configuration mechanism

The rotary drum 121 constituting the workpiece positioning mechanism 120 has an adsorption pad 122 for adsorbing a workpiece, and the workpiece is a constituent member constituting a part of the absorbent article 1. The rotary drum 121 is rotated based on the rotation shaft 121A, thereby adsorbing the suction pad 122. The workpiece (the absorbent main body 1A in the present embodiment) is disposed on the continuous body 90 in which the constituent members of the absorbent article are conveyed in a continuous state.

The rotary drum 121 has a rotating mechanism in the rotary drum 121. Specifically, the rotating drum 121 rotates the adsorption pad 122 by 90 degrees by the rotation mechanism between the adsorption pads 122 and the upper side of the continuous body 90.

The adsorption pad 122 constituting the processing member arranging mechanism adsorbs the absorbent body 1A one by one. The adsorption pad 122 is conveyed by the rotary drum 121 so as to be disposed above the continuous body 90 in which the package 1B is continuously formed outside the absorbent body 1A.

The adsorption pad 122 adsorbs the absorbent main body 1A, and changes the position of the absorbent main body 1A at the receiving point P1 by the rotation mechanism provided in the rotary drum 121 while rotating the rotary drum 121. The position of the absorptive body 1A is at the delivery direction of the delivery point P2. The delivery point P2 is located directly below the rotation axis 121A of the rotary drum 121.

As shown in Fig. 4, in the cross section along the first arrangement direction D1 of the adsorption pad 122 at the receiving point P1, the central portion 123A of the adsorption surface 123 of the adsorption pad 122 is disposed in comparison with the position The outer edge portion (end portion 123B) at the outer position of the central portion 123A of the adsorption surface 123 is closer to the rotation shaft 121A of the rotary drum 121.

As shown in Fig. 4, the shape of the adsorption surface 123 of the adsorption pad 122 at the delivery point P2 is such that it is located in the second arrangement direction D2 of the adsorption surface 123. The outer edge portion (end portion 123B) is inclined toward the rotation shaft 121A side of the rotary drum 121. Specifically, from the viewpoint of the direction in which the rotation shaft 121A of the rotary drum 121 located at the delivery point P2 extends, the end portion 123B located in the second arrangement direction D2 of the adsorption surface 123 is oriented toward the rotation axis 121A with respect to the central portion 123A. The side is inclined.

The adsorption pad 122 located at the delivery point P2 has an outer edge portion (end portion 123B) of the adsorption surface 123 that is closer to the rotation axis 121A side of the rotary drum 121 than the central portion 123A of the adsorption surface 123. Further, the thickness of the absorbent main body 1A of the present embodiment is different between the region in which the absorbent body is disposed and the region in which the absorbent body is not disposed, and the region in which the absorbent body is disposed is thick. Further, in the cross section along the second arrangement direction D2 of the adsorption pad 122 located at the delivery point P2, the outer shape of the workpiece sucked by the adsorption pad 122 is located at the outer edge of the outer side of the central portion of the workpiece. The portion is closer to the side of the rotating shaft 121A of the rotary drum 121 than the central portion of the workpiece. The region where the absorber of the absorbent main body 1A is not disposed is located at the outer edge portion, and is disposed so as to approach the side of the rotating shaft 121A of the rotary drum 121 by the outer shape of the suction pad 122.

Further, the workpiece may be configured such that the thickness of the outer edge portion is thinner than the central portion as in the present embodiment, and the thickness of the workpiece may be uniform as a whole.

(3.2) Strip position guiding mechanism

The strip position guiding mechanism 130 guides the position of the continuous body 90. The strip position guiding mechanism is provided at: at the delivery point P2, The first guide portion 131 of the tape is placed so that the outer edge portion of the workpiece can be brought into contact with the tape, and the upstream side of the conveyance direction is positioned closer to the delivery point so that the center portion of the workpiece can be brought into contact with the tape. The second guide portion 132 of the strip is disposed in such a manner. 4 and 7 show the state in which the adsorption pad 122 is located at the delivery point P2; and Figs. 5 and 8 show the state in which the adsorption pad 122 is located at the contact point P3.

The first guide portion 131 is a portion corresponding to the outer edge portion of the absorbent body 1A at the delivery point P2, that is, the outer edge portion of the continuous body 90 is disposed more than the central portion of the continuous body 90 in the width direction. It is near the rotating shaft 121A side of the rotary drum 121. In the present embodiment, the first guide portion 131 is disposed at the outer edge portion of the continuous body 90 positioned in the width direction of the continuous body 90, and is disposed at the center portion in the width direction from the position of the continuous body 90. Near the side of the adsorption pad 122.

In the second guiding portion 132, the continuous body 90 is guided such that the end portion in the intersecting direction of the continuous body 90 and the central portion in the intersecting direction are substantially horizontal. The second guide portion 132 is disposed on the upstream side of the tape position adjusting mechanism 140 in the conveyance direction to adjust the conveyance path of the tape in the vertical direction. The tape conveying surface of the second guiding portion 132 is positioned above the delivery point P2. Therefore, the conveyance path of the tape which is located on the upstream side in the conveyance direction from the delivery point P2 is located above the upstream of the conveyance direction, and is closer to the outer circumferential surface side of the rotary drum 121. Therefore, the abutment point P3 is located above the delivery point P2.

In the contact point P3, the continuous body 90 is horizontal in the intersecting direction, and the central portion of the workpiece is located closer to the outer edge of the continuous body 90. The radially outer (tape side) position of the rotating body. Therefore, at the contact point, the central portion of the workpiece is in contact with the continuous body 90, and the outer edge portion of the workpiece is separated from the continuous body 90 (separated).

In addition, the outer edge portion of the continuous body 90 is a region which is located closer to the outer side than the central portion of the continuous body 90 located in the width direction of the continuous body 90 at the delivery point P2 and the contact point P3. In the present embodiment, the outer edge portion of the absorbent main body 1A is a portion corresponding to the outer edge portion (end portion 123B) of the adsorption pad 122 at the delivery point P2, that is, at the long side of the absorbent article. The end portion of the absorbent body 1A in the longitudinal direction.

The outer edge portion located in the width direction of the continuous body 90 is not necessarily expressed as an end portion in the width direction of the continuous body 90 at the delivery point P2. It means that, for example, in the case where the continuous body 90 is wider in the width direction, the end portion in the width direction of the continuous body 90 may be more than the suction pad 122 in the central portion in the width direction of the continuous body 90. Far state.

The detailed configuration of the first guiding unit 131 will be described in detail with reference to FIG. The first guiding portion 131 is a roller mechanism that is rotatable along the conveying direction MD of the continuous body 90. The first guide portion 131 is composed of a center roller 133 and outer rollers 134 disposed on both sides in the intersecting direction of the center roller 133. The center roller 133 is disposed at a position corresponding to the central portion 123A of the adsorption pad in a state where the adsorption pad 122 is along the second arrangement direction D2. The outer roller 134 is disposed at a position corresponding to the end portion 123B of the adsorption pad 122 in a state where the adsorption pad 122 is along the second arrangement direction D2. Two outer rollers 134 are provided on the central roller The continuum of 133 is outward in the width direction of the body 90.

Further, in the following description, since the two outer rollers 134 have the same features, only one of the outer rollers will be described, and the description of the other outer roller will be omitted.

The roller used in the first guiding portion 131 is formed of an elastic member. Specifically, the roller used in the first guiding portion 131 is formed by forming a sponge-like rubber, urethane rubber, silicone rubber or the like with silicone rubber or urethane.

The first guiding portion 131 is provided on the downstream side of the conveying direction MD of the continuous body 90 closer to the contact point P3. The outer peripheral portion of the first guide portion 131 is disposed closer to the rotation of the wire L1 at the delivery point P2 than the center of the adsorption surface 123 in the direction in which the rotation axis 121A of the rotary drum 121 extends. The rotating shaft 121A side of the drum 121.

The outer peripheral surface 134S of the outer roller 134 is substantially parallel to the line along the outer edge portion (end portion 123B) of the adsorption surface 123 from the observation point of the conveyance direction MD of the continuous body 90. The outer roller 134 has an outer diameter which increases as it goes to the outer side in the width direction of the continuous body 90. The surface of the outer roller 134 may also contain some degree of irregularities.

(3.3) Strip position adjustment mechanism

The strip position adjusting mechanism is a position closer to the downstream side in the conveyance direction than the cutting mechanism 105, and closer to the upstream side in the conveyance direction than the contact point P3, for adjusting the position in the intersecting direction of the strip.

As shown in FIG. 3, the strip position adjusting mechanism 140 has a sensor 141 that outputs position information in the intersecting direction of each of the detection target portions set on the strip, and an intersection of the strips adjusted according to the position information. Adjustment mechanism 142 for the position of the direction.

The continuous body 90 has a side edge and a second side edge which are opposed to each other in the intersecting direction CD and extend in parallel in the conveyance direction MD. The adjustment mechanism 142 is configured to guide at least one of the vicinity of the first side edge and the vicinity of the second side edge to a predetermined position in the intersecting direction CD to adjust the continuous body 90 to the desired width. The control means for adjusting the continuum 90. The sensor 141 and the adjustment mechanism 142 can be configured in various configurations. For example, the sensor and the adjustment mechanism disclosed in Japanese Laid-Open Patent Publication No. 2004-262556 can be used.

By adjusting the position of the continuous body 90 closer to the upstream side in the conveying direction than the abutting point P3 of the absorbent body and the continuous body 90, the continuous body can be locally contracted by the elastic member even if the position in the intersecting direction When there is an offset, the change in the position of the continuum can also be quickly corrected. As a result, the continuous body can be conveyed at the correct position, and the absorbent body can be joined at the correct position of the continuous body, and the positional displacement of the continuous body and the absorbent body 1A can be prevented.

(4) Action of the manufacturing apparatus of the absorbent article

Next, the operation of the apparatus for manufacturing an absorbent article (hereinafter referred to as the apparatus for manufacturing an absorbent article) of the present embodiment will be described.

The absorbent body 1A is from the manufacturing apparatus 100 of the absorbent article Supplyed above.

In the absorbent main body 1A formed by the continuous strip-shaped body, the longitudinal direction of the absorbent main body 1A is along the longitudinal direction of the strip-shaped body, that is, along the conveyance direction of the strip-shaped body.

The adsorption pad 122 is a receiving point P1 of the absorbent body 1A, and adsorbs the absorbent body 1A.

The rotating drum 121 rotates the adsorption pad 122 by 90 degrees between when the adsorption pad 122 is conveyed above the continuous body 90. Specifically, the rotating drum 121 rotates the adsorption pad 122 substantially by 90 degrees by the rotation mechanism existing in the rotary drum 121 between the delivery point P2 and the delivery point P2 of the absorbent body 1A. .

Thereby, the adsorption pad 122 changes the arrangement direction of the absorbent main body 1A from the first arrangement direction D1 of the absorbent main body 1A to the second arrangement direction D2 of the absorbent main body 1A.

In addition, the absorbent main body 1A that is transported in a state of being adsorbed by the adsorption pad 122 is abutting on the contact point P3 located closer to the upstream side in the conveyance direction than the receiving point P2, and is in contact with the adhesive coated with the adhesive. Continuum 90. The abutment point P3 is a point at which the absorbent body 1A as a workpiece and the continuous body 90 constituting the exterior body 1B abut first. In the present embodiment, the outer edge portion of the absorbent main body 1A is closer to the rotation axis side of the rotary drum than the central portion of the absorbent main body 1A. Therefore, the central portion of the absorbent main body 1A corresponding to the central portion of the adsorption surface 123 abuts against the continuous body 90 before the outer edge portion of the absorbent main body 1A. The contact point P3 is a point at which the central portion of the absorbent body 1A abuts against the continuous body 90.

Then, the workpiece is transported from the abutment point P3 to the delivery point P2 in a state of being adsorbed by the adsorption pad. The adsorption pad 122 releases the adsorption to the absorbent body 1A at the delivery point P2 of the absorbent body 1A, and releases the absorbent body 1A.

At the delivery point P2, the first guiding portion 131 is such that the continuous body 90 is located on the side of the adsorption pad 122. Specifically, the first guide portion 131 is disposed at an outer edge portion (a continuous body 90 corresponding to the outer peripheral surface 134S of the outer roller) in the width direction of the continuous body 90, and is disposed at a width larger than the width of the continuous body 90. The central portion in the direction is closer to the rotating shaft side of the rotary drum 121 to guide the continuous body 90.

Thereby, the absorbent body 1A is placed on the continuous body 90 being conveyed.

Further, the pressing mechanism 104 is provided closer to the downstream side in the conveyance direction than the delivery point P2. The pressing mechanism 104 is provided with a pair of upper roller 104A and lower roller 104B which are disposed to face each other with the intermediate body 90 for compressing the member passing between the rollers in the thickness direction. The continuous body 90 and the absorbent body 1A joined to the continuous body 90 are pressed by the pressing mechanism 104 in the thickness direction to be in close contact with each other.

(5) Effect

As described above, according to the present embodiment, the continuum 90 in the horizontal state is brought into contact with the absorbent main body 1A closer to the upstream side in the conveyance direction than the delivery point P2. Therefore, the central portion of the absorbent body 1A is in contact with the continuous body 90 before the outer edge portion of the absorbent body 1A, and then the absorbent body The outer edge portion of 1A abuts against the continuous body 90. Then, the outer edge portion of the continuous body 90 is pushed up by the first guide portion 131, and is closer to the downstream side in the conveyance direction than the contact point P3, and the outer edge portion of the absorbent main body 1A is brought into contact with the continuous body 90. The central portion of the absorbent body 1A is brought into contact with the continuous body 90.

By carrying the continuous body 90 as described above, the absorbent body 1A is gradually brought into contact with the tape from the central portion toward the outer edge portion. Therefore, the wrinkles between the continuous body 90 and the absorbent body 1A can be moved from the central portion to the outer edge side, and the absorbent body 1A can be disposed on the continuous body 90 to be joined to each other.

Further, since the central portion of the absorbent body 1A and the central portion of the continuous body 90 are positioned, the positioning is performed from the center of the positioned center toward the outer edge of both ends, so that the elastic member is disposed in a wave shape. When the continuous body 90 is not uniform in the contraction state of the continuous body 90, the positional deviation of the continuous body 90 and the absorbent body 1A can be suppressed.

Further, the outer roller 134 of the first guide portion 131 has an outer peripheral surface 134S provided at a position corresponding to the end portion 123B of the adsorption pad 122. In other words, since the first guiding portion 131 can guide the continuous body 90 to a position closer to the shape of the central portion and the outer edge portion of the absorbent body 1A, the continuous body 90 can be attached to the absorbent body more firmly. 1A.

The first guiding portion 131 further includes a center roller 133 provided at a position corresponding to the central portion of the adsorption pad 122, and can guide the continuous body 90 to the shape of the central portion and the outer edge portion of the absorbent body 1A. position. Therefore, it is possible to strengthen the solid body and attach the continuous body 90 to the absorption. Sexual ontology 1A.

Since the roller used in the first guiding portion 131 is formed of an elastic member, the shape of the absorbent main body 1A can be matched to deform the guiding body 90. Thereby, it is possible to suppress unnecessary stress or the like from being applied to the continuous body 90. Further, since the outer diameter of the outer roller 134 is increased toward the outer side in the width direction of the continuous body 90, the outer roller 134 has a difference in the peripheral speed corresponding to the outer diameter (so-called peripheral speed difference). . On the other hand, according to the roller formed of the elastic member, the circumferential speed difference at the time of transfer attachment can be alleviated by the deformation of the elastic member, so that the first guide portion 131 can further suppress the generation or transfer of wrinkles. Poor attachment.

Further, when the absorbent body 1A disposed on the continuous body is not fixedly attached, when the continuous body and the absorbent main body 1A are conveyed, the position of the absorbent main body 1A may be shifted. However, since the continuous body 90 and the absorbent body 1A are pressed by the pressing mechanism 104, the absorbent body 1A can be fixedly attached to the continuous body, and positional displacement can be suppressed.

Further, by making the position adjustment of the continuous body 90 closer to the upstream side in the conveyance direction than the contact point P3 of the absorbent main body and the continuous body 90, even if the continuous body is locally contracted by the elastic member, the continuous body is locally contracted. When the position in the intersecting direction is shifted, the positional change of the continuum can also be quickly corrected. As a result, the continuous body can be conveyed at the correct position, and the absorbent body can be joined to the correct position of the continuous body, and the positional displacement of the continuous body and the absorbent body 1A can be prevented.

(6) Other embodiments

As described above, the description of the present invention is not intended to limit the technical scope of the present invention. Alternative embodiments, embodiments, and techniques of operation will be apparent to those skilled in the art from this disclosure.

In the present embodiment, the first guide portion 131 includes the center roller 133 and the outer roller 134. However, the manufacturing apparatus of the present invention is not limited to this configuration. For example, the first guide portion 131 may be disposed so that at least the outer edge portion of the strip can be brought into contact with the outer edge portion of the workpiece. Therefore, the first guide portion 131 may be configured only by the outer roller.

Moreover, although the apparatus for manufacturing an absorbent article according to the present embodiment includes a strip position adjusting mechanism, the apparatus for manufacturing an absorbent article of the present invention may not necessarily have a strip position adjusting mechanism.

Further, the strip position adjusting mechanism is not limited to the configuration of the embodiment, and various configurations can be employed. For example, the strip position adjustment mechanism includes an imaging means for imaging each of the detection target portions set on the strip for photographing the detection target portion, and image data captured by the imaging means. The sensor for outputting the positional information in the intersecting direction of each of the detection target portions; the adjustment mechanism may be configured to adjust the position of the strip in the intersecting direction according to the position information.

Further, in the present embodiment, the position of the strip is adjusted by detecting the positions of the first side edge and the second side edge which are the end portions of the continuous body 90 in the intersecting direction, but the position of the strip may be adjusted. The position of the other part of the absorbent article is detected to adjust the position of the strip.

For example, the strip position adjusting mechanism may be configured to adjust the position of the strip in the intersecting direction based on the positional information of the leg-opening portion of the outer casing. A leg-surrounding elastic material is disposed in the vicinity of the leg-opening portion, and the position of the tape may be displaced due to contraction of the elastic member. However, by adjusting the position of the strip according to the positional information of the leg-opening portion, the positional deviation of the leg-opening portion can be quickly adjusted to prevent the position of the absorbent main body 1A from being displaced from the outer casing 1B.

Further, the strip position adjusting mechanism may be configured to adjust the position of the strip in the intersecting direction based on the positional information of the intersection of the leg-opening portion and the end portion in the width direction of the absorbent body. The intersection of the leg-opening portion and the end portion in the width direction of the absorbent body corresponds to the squirrel portion of the wearer and is a portion to be closely attached to the body. In this portion, if the positional relationship between the outer casing and the absorbent body 1A is not appropriate, the absorbent body 1A may float relative to the outer casing, and the absorbent article may not adhere to the body. However, by adjusting the position of the strip according to the positional information of the intersection of the leg opening portion and the end portion in the width direction of the absorbent body, the position of the strip can be adjusted in the portion abutting the groin portion. The positional relationship between the absorbent body 1A and the exterior body 1B can improve the fit at the groin portion.

Further, the first guide portion in the present embodiment is such that the center roller 133 that restricts the position of the center portion in the intersecting direction is integrated with the outer roller 134 that restricts the position of the end portion in the intersecting direction. The roller 133 is separated from the outer roller 144, and a center roller is disposed on the upstream side in the conveyance direction, and an outer roller is disposed on the downstream side in the conveyance direction to carry the tape. After the central portion is pressed toward the workpiece side, the outer edge portion of the strip is pressed toward the workpiece side.

As described above, the present invention is undoubtedly included in various embodiments and the like which are not described herein. Therefore, the technical scope of the present invention is defined by the specific matters of the invention described in the appropriate patent claims as described above.

MD‧‧‧Transportation direction

90‧‧‧Outer continuum

100‧‧‧ manufacturing equipment

104‧‧‧Completing mechanism

104A‧‧‧Upper roller

104B‧‧‧lower roller

105‧‧‧ cutting mechanism

120‧‧‧Processing parts configuration mechanism

121‧‧‧Rotating drum

122‧‧‧Adsorption pad

131‧‧‧1st Guide

132‧‧‧2nd Guide

140‧‧‧Strip position adjustment mechanism

141‧‧‧ sensor

142‧‧‧Adjustment agency

P1‧‧‧Acceptance Point

P2‧‧‧ delivery point

P3‧‧‧ Abutment point

Claims (8)

An apparatus for producing an absorbent article, comprising: a workpiece positioning mechanism and a tape position guiding mechanism, wherein the component constituting one of the absorbent articles is a workpiece and is disposed continuously: The sheet is conveyed in the form of a continuous strip, and is disposed on a strip extending from the conveying direction of the strip and the elastic member intersecting the conveying direction; the strip position guiding mechanism is used for The apparatus for manufacturing an absorbent article according to the position of the above-mentioned tape, characterized in that the workpiece positioning mechanism includes a rotary drum provided with an adsorption portion for adsorbing the workpiece, and the adsorption portion is Adsorbing the workpiece at a receiving point of the workpiece, and converting the arrangement direction of the workpiece from a first arrangement direction of the workpiece located at the receiving point to the strip during rotation of the rotating drum The second arrangement direction of the workpiece at the delivery point of the workpiece is delivered, and the adsorption unit is to be The adsorbed workpiece is disposed on the strip, and the outer shape of the workpiece that is adsorbed by the adsorption unit along a cross section of the adsorption unit located in the second arrangement direction of the delivery point is The outer edge portion of the workpiece is closer to the rotation axis side of the rotary drum than the central portion of the workpiece, and the strip position guide mechanism is closer to the upstream side in the conveyance direction than the delivery point. The outer edge portion of the workpiece is spaced apart from the strip, and the central portion of the workpiece is in contact with the strip. In the above manner, the tape is disposed, and at the delivery point, the tape is placed such that the outer edge portion of the workpiece is in contact with the tape. The apparatus for manufacturing an absorbent article according to claim 1, wherein the tape position guiding mechanism is configured such that an outer edge portion of the workpiece is in contact with the tape at the delivery point, and The strip is placed in a central portion of the workpiece in contact with the strip. The apparatus for producing an absorbent article according to claim 1 or 2, further comprising: an upper roller and a lower roller that are disposed to face one of the pair of the tape and the workpiece; a pressing mechanism for pressing the strip and the workpiece in a thickness direction between the upper roller and the lower roller after passing the strip and the workpiece; the pressing mechanism It is disposed on the downstream side of the conveyance direction of the above-mentioned strip material than the above-mentioned delivery point. The apparatus for manufacturing an absorbent article according to claim 1 or 2, further comprising: disposed upstream of the contact direction of the strip in contact with the contact point to adjust the intersection of the strips a strip position adjusting mechanism at a position of the direction; the strip position adjusting mechanism has a sensor and an adjusting mechanism; and the sensor is configured to detect the intersection of each detecting object portion set on the strip Position information of the direction; the adjustment mechanism adjusts the position of the strip in the intersecting direction based on the position information. Manufacturing of absorbent articles as described in claim 4 In the above-described strip position adjusting mechanism, the position of the strip is adjusted based on the positional information of the end portion of the strip in the intersecting direction. The apparatus for manufacturing an absorbent article according to claim 4, wherein the tape position adjusting mechanism adjusts a position of the tape based on position information of a leg-opening portion of the outer casing. The apparatus for manufacturing an absorbent article according to claim 4, wherein the strip position adjusting mechanism is an end portion of the outer casing that is located in a width direction of the absorbent body. The position information of the intersections intersected by the department to adjust the position of the above strip. A method for producing an absorbent article, comprising: a processing member arranging process, wherein a component constituting a part of the absorbent article is used as a processing member, and the processing is performed by a rotating drum provided to adsorb the adsorption portion of the workpiece The member is disposed in a continuous strip of sheet material that is continuously conveyed, and is disposed on a strip that is stretched in an elastic member that is extended in a conveyance direction of the strip and intersects with the conveyance direction, and is configured as described above. The method for manufacturing an absorbent article, characterized in that the workpiece processing process includes a workpiece rotation process and a workpiece delivery process, and in the workpiece rotation process, the rotary drum receives the workpiece of the workpiece Receiving the above-mentioned workpiece by the receiving point, and converting the arrangement direction of the workpiece from the first arrangement direction of the workpiece located at the receiving point to the workpiece at the delivery point of the workpiece to be delivered to the strip a second arrangement direction; in the processing part delivery process, the adsorption portion is adsorbed at the delivery point Submitting said workpiece oriented In the above-described workpiece rotation process, the outer edge portion of the workpiece that is adsorbed by the adsorption portion along the cross section located in the second arrangement direction of the delivery point is The workpiece is conveyed such that the central portion of the workpiece is closer to the rotation axis side of the rotary drum, and the belt is disposed at the delivery point so that the outer edge portion of the workpiece contacts the strip The first guiding process of the material and the contact point on the upstream side in the conveying direction than the delivery point, the outer edge portion of the workpiece is separated from the strip, and the central portion of the workpiece and the belt are The second guiding process of the above-mentioned strip is configured by means of material contact.